Grit Tube Attachment; Sharpening Bits Of Different Lengths, Diameters And Types; Large Drill Bits - DRILL DOCTOR 500X Guia Del Usuario

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Grit Tube Attachment

Simply insert the Grit Tube into the Splitting Port of your
Drill Doctor
®
is formed from the sharpening process. Clean the inside of
your Drill Doctor
ule. The Grit Tube is designed to accept a standard 1"
shop vacuum for extended periods of sharpening.
Sharpening Bits of Different Lengths,
Diameters, and Types
Drill Bits of Different Sizes
Too many rotations of a small-diameter bit may result in
incorrect sharpening and too few on a large-diameter bit
may not sharpen enough. Continue to sharpen until the
Chisel Edge is clean and straight and the entire surface
from the Cutting Edges to the Heel is finely ground.
3/32-inch bits — use 2 to 4 half-turns,
1/8-inch bits — use 4 to 6 half-turns,
3/8-inch bits — use 16 to 20 half-turns.

Large Drill Bits

The Model 500X sharpens bits from 3/32" to 1/2". (You
can also purchase a Large Bit Chuck that sharpens bits up
to 3/4".) The Model 750X comes equipped with that
Large-Bit Chuck. It sharpens bits from 3/32" to 3/4".
Large bits are sharpened just like any other bit.
It is important to sharpen these bits so that the entire face
of the drill bit is sharpened. A large bit requires more
pressure and will require more half-turns to sharpen it.
20
when sharpening. It will catch the grit that
and the Grit Tube on a regular sched-
®
The Grit Tube attachment
is designed to keep any
sparks caused by sharpen-
ing safely inside the
machine and away from
you. In addition, the Grit
Tube reduces the sharpen-
ing dust in the air and on
your workbench.
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